51101055606 has 16 divisors (see below), whose sum is σ = 104578905024. Its totient is φ = 16637552904.

The previous prime is 51101055601. The next prime is 51101055611. The reversal of 51101055606 is 60655010115.

It is an interprime number because it is at equal distance from previous prime (51101055601) and next prime (51101055611).

It is a super-2 number, since 2×51101055606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51101055601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99032796 + ... + 99033311.

It is an arithmetic number, because the mean of its divisors is an integer number (6536181564).

Almost surely, 2^51101055606 is an apocalyptic number.

51101055606 is an abundant number, since it is smaller than the sum of its proper divisors (53477849418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51101055606 is a wasteful number, since it uses less digits than its factorization.

51101055606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198066155.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51101055606 in words is "fifty-one billion, one hundred one million, fifty-five thousand, six hundred six".